Asteroid 2018 CB to flyby Earth at 0.17 LD on February 9

Asteroid 2018 CB to flyby Earth at 0.17 LD on February 9

A newly discovered asteroid designated will flyby Earth at a distance of 0.17 LD / 0.00043 AU (~64 327 km / 39 970 miles) on February 9, 2018. This is the 10th known asteroid to flyby Earth within 1 lunar distance since the start of the year and, 9th since January 15 and the second this month.

This asteroid was first observed at Catalina Sky Survey on February 4, 5 days before its closest approach to Earth.

It belongs to the Apollo group of asteroids and has an estimated diameter between 17 and 38 m (55.7 - 124.6 feet). It will fly past us at 09:47 UTC on February 9 at a speed (relative to the Earth) of 7.96 km/s.

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

We had 13 days with no known less than 1 lunar distance flybys after 7 asteroids flew past us within 1 lunar distance from January 15 - 24. The silence was broken on February 4 when 2 new close flybys were discovered, 2018 CB and 2018 CC.

This is also the second closest Earth flyby of any known asteroid this year.


Asteroid 2018 CB at Minor Planet Center; at CNEOS

Featured image: Featured image: The green line indicates the object's apparent motion relative to the Earth, and the bright green marks are the object's location at approximately one-hour intervals. The Moon's orbit is grey. The blue arrow points in the direction of Earth's motion and the yellow arrow points toward the Sun. Credit: Minor Planet Center.


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